Initialization
Taishan: Needs an optical cable, connect from optical out port to the Taishan. It is powered by mini-USB (from provided power adapter or from computer).
HifiMeDiy: Just plug in to any USB port, let it install driver can liao.

Sound Quality
Taishan: We noted that it feels more flat, no significant loss of any details. You can say that it's a little analytical.
HifiMeDiy: Significantly louder than the Taishan; I had to turn down the volume a bit to match the Taishan's. We noted how forward sounding it is, with the slightly higher mids. I also noticed that the bass seem deeper and more pronounced with this.

Verdict (for now)
It's tough to choose between them for my case, considering that I have not gotten my amp yet to use with them and therefore see which synergy is more suited for me. So for now I will put it this way:

Taishan: Analytical, more for home setup due to the optical cable and whatnot. Its analytical nature may go well with those who wants their amp's nature to stand out more. The one year warranty you get from resellers like Treoo (I got mine from them) may come in handy.
HifiMeDiy: More musical sounding (and warm), more for portable setup as it's just plug-and-play. Note that it has no warranty.

I hope this can help in your decision in picking that sub-100 DAC, thanks for reading!

your one is using the Tenor TE7022L, works in adaptive mode. U2 using SAVITECH SA9023, works in asynchronous mode.
USB Audio uses Isochronous data transfer in either synchronous, adaptive or asynchronous mode.
* In synchronous mode, the length of a second is defined by the host device. That is, the host will send data at a rate, and the device has to exactly match that rate.
* In asynchronous mode it is the other way around, the device sets the definition of a second, and the host has to match the device.
* In adaptive mode the data flow determines the clock.

your one is using the Tenor TE7022L, works in adaptive mode. U2 using SAVITECH SA9023, works in asynchronous mode.
USB Audio uses Isochronous data transfer in either synchronous, adaptive or asynchronous mode.
* In synchronous mode, the length of a second is defined by the host device. That is, the host will send data at a rate, and the device has to exactly match that rate.
* In asynchronous mode it is the other way around, the device sets the definition of a second, and the host has to match the device.
* In adaptive mode the data flow determines the clock.

can put in laymans terms annot?

LOL, I mean, I understand the sentences. But why need set definition for one second?

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